root
359 lines
14 KiB
PHP
Executable File
359 lines
14 KiB
PHP
Executable File
<?php
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namespace laytp\library;
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use DateTime;
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use DateTimeZone;
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/**
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* 日期时间处理类
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*/
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class Date
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{
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const YEAR = 31536000;
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const MONTH = 2592000;
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const WEEK = 604800;
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const DAY = 86400;
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const HOUR = 3600;
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const MINUTE = 60;
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/**
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* 计算两个时区间相差的时长,单位为秒
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* $seconds = self::offset('America/Chicago', 'GMT');
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* [!!] A list of time zones that PHP supports can be found at
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* <http://php.net/timezones>.
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*
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* @param $remote
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* @param null $local
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* @param null $now
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* @return int
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* @throws \Exception
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*/
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public static function offset($remote, $local = null, $now = null)
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{
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if ($local === null) {
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// Use the default timezone
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$local = date_default_timezone_get();
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}
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if (is_int($now)) {
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// Convert the timestamp into a string
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$now = date(DateTime::RFC2822, $now);
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}
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// Create timezone objects
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$zone_remote = new DateTimeZone($remote);
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$zone_local = new DateTimeZone($local);
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// Create date objects from timezones
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$time_remote = new DateTime($now, $zone_remote);
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$time_local = new DateTime($now, $zone_local);
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// Find the offset
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$offset = $zone_remote->getOffset($time_remote) - $zone_local->getOffset($time_local);
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return $offset;
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}
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/**
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* 计算两个时间戳之间相差的时间
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*
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* $span = self::span(60, 182, 'minutes,seconds'); // array('minutes' => 2, 'seconds' => 2)
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* $span = self::span(60, 182, 'minutes'); // 2
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*
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* @param int $remote timestamp to find the span of
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* @param int $local timestamp to use as the baseline
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* @param string $output formatting string
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* @return string when only a single output is requested
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* @return array associative list of all outputs requested
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* @from https://github.com/kohana/ohanzee-helpers/blob/master/src/Date.php
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*/
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public static function span($remote, $local = null, $output = 'years,months,weeks,days,hours,minutes,seconds')
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{
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// Normalize output
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$output = trim(strtolower((string)$output));
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if (!$output) {
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// Invalid output
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return false;
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}
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// Array with the output formats
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$output = preg_split('/[^a-z]+/', $output);
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// Convert the list of outputs to an associative array
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$output = array_combine($output, array_fill(0, count($output), 0));
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// Make the output values into keys
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extract(array_flip($output), EXTR_SKIP);
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if ($local === null) {
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// Calculate the span from the current time
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$local = time();
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}
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// Calculate timespan (seconds)
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$timespan = abs($remote - $local);
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if (isset($output['years'])) {
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$timespan -= self::YEAR * ($output['years'] = (int)floor($timespan / self::YEAR));
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}
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if (isset($output['months'])) {
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$timespan -= self::MONTH * ($output['months'] = (int)floor($timespan / self::MONTH));
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}
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if (isset($output['weeks'])) {
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$timespan -= self::WEEK * ($output['weeks'] = (int)floor($timespan / self::WEEK));
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}
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if (isset($output['days'])) {
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$timespan -= self::DAY * ($output['days'] = (int)floor($timespan / self::DAY));
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}
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if (isset($output['hours'])) {
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$timespan -= self::HOUR * ($output['hours'] = (int)floor($timespan / self::HOUR));
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}
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if (isset($output['minutes'])) {
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$timespan -= self::MINUTE * ($output['minutes'] = (int)floor($timespan / self::MINUTE));
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}
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// Seconds ago, 1
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if (isset($output['seconds'])) {
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$output['seconds'] = $timespan;
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}
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if (count($output) === 1) {
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// Only a single output was requested, return it
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return array_pop($output);
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}
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// Return array
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return $output;
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}
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/**
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* 格式化 UNIX 时间戳为人易读的字符串
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*
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* @param int Unix 时间戳
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* @param mixed $local 本地时间
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*
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* @return string 格式化的日期字符串
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*/
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public static function human($remote, $local = null)
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{
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$timediff = (is_null($local) || $local ? time() : $local) - $remote;
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$chunks = [
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[60 * 60 * 24 * 365, 'year'],
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[60 * 60 * 24 * 30, 'month'],
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[60 * 60 * 24 * 7, 'week'],
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[60 * 60 * 24, 'day'],
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[60 * 60, 'hour'],
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[60, 'minute'],
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[1, 'second'],
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];
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for ($i = 0, $j = count($chunks); $i < $j; $i++) {
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$seconds = $chunks[$i][0];
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$name = $chunks[$i][1];
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if (($count = floor($timediff / $seconds)) != 0) {
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break;
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}
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}
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return __("%d {$name}%s ago", $count, ($count > 1 ? 's' : ''));
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}
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/**
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* 获取一个基于时间偏移的Unix时间戳
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*
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* @param string $type 时间类型，默认为day，可选minute,hour,day,week,month,quarter,year
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* @param int $offset 时间偏移量 默认为0，正数表示当前type之后，负数表示当前type之前
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* @param string $position 时间的开始或结束，默认为begin，可选前(begin,start,first,front)，end
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* @param int $year 基准年，默认为null，即以当前年为基准
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* @param int $month 基准月，默认为null，即以当前月为基准
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* @param int $day 基准天，默认为null，即以当前天为基准
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* @param int $hour 基准小时，默认为null，即以当前年小时基准
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* @param int $minute 基准分钟，默认为null，即以当前分钟为基准
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* @return int 处理后的Unix时间戳
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*/
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public static function unixtime($type = 'day', $offset = 0, $position = 'begin', $year = null, $month = null, $day = null, $hour = null, $minute = null)
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{
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$year = is_null($year) ? date('Y') : $year;
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$month = is_null($month) ? date('m') : $month;
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$day = is_null($day) ? date('d') : $day;
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$hour = is_null($hour) ? date('H') : $hour;
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$minute = is_null($minute) ? date('i') : $minute;
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$position = in_array($position, ['begin', 'start', 'first', 'front']);
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switch ($type) {
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case 'minute':
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$time = $position ? mktime($hour, $minute + $offset, 0, $month, $day, $year) : mktime($hour, $minute + $offset, 59, $month, $day, $year);
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break;
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case 'hour':
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$time = $position ? mktime($hour + $offset, 0, 0, $month, $day, $year) : mktime($hour + $offset, 59, 59, $month, $day, $year);
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break;
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case 'day':
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$time = $position ? mktime(0, 0, 0, $month, $day + $offset, $year) : mktime(23, 59, 59, $month, $day + $offset, $year);
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break;
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case 'week':
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$time = $position ?
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mktime(0, 0, 0, $month, $day - date("w", mktime(0, 0, 0, $month, $day, $year)) + 1 - 7 * (-$offset), $year) :
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mktime(23, 59, 59, $month, $day - date("w", mktime(0, 0, 0, $month, $day, $year)) + 7 - 7 * (-$offset), $year);
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break;
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case 'month':
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$time = $position ? mktime(0, 0, 0, $month + $offset, 1, $year) : mktime(23, 59, 59, $month + $offset, cal_days_in_month(CAL_GREGORIAN, $month + $offset, $year), $year);
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break;
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case 'quarter':
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$time = $position ?
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mktime(0, 0, 0, 1 + ((ceil(date('n', mktime(0, 0, 0, $month, $day, $year)) / 3) + $offset) - 1) * 3, 1, $year) :
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mktime(23, 59, 59, (ceil(date('n', mktime(0, 0, 0, $month, $day, $year)) / 3) + $offset) * 3, cal_days_in_month(CAL_GREGORIAN, (ceil(date('n', mktime(0, 0, 0, $month, $day, $year)) / 3) + $offset) * 3, $year), $year);
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break;
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case 'year':
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$time = $position ? mktime(0, 0, 0, 1, 1, $year + $offset) : mktime(23, 59, 59, 12, 31, $year + $offset);
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break;
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default:
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$time = mktime($hour, $minute, 0, $month, $day, $year);
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break;
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}
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return $time;
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}
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/**
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* 获取某个日期属于一年中的第几周
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* @param $date
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* @return false|int|string
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*/
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public static function getWeekNum($date='')
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{
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$date = $date ? $date : date('Y-m-d');
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$year = date('Y', strtotime($date));
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$yearBegin = strtotime($year.'-1-1');
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$month = intval(date('m', strtotime($date)));
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if( date('W', $yearBegin) == 1 ){
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return date('W', strtotime($date));
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}else if($month == 1 && date('W', $yearBegin) > 50){
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return 1;
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}else{
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return date('W', strtotime($date)) + 1;
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}
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}
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/**
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* 根据日期，获取周信息
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* @param $now string 日期，举例: 2021-01-01
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* @return array
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*/
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public static function getWeekInfo($now)
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{
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$str = [];
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//$first =1 表示每周星期一为开始日期 0表示每周日为开始日期
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$str['year'] = date('Y', strtotime($now));
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$first = 1;
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//当日在整年中的第几周
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$str['week'] = date('W', strtotime($now));
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//获取当前周的第几天 周日是 0 周一到周六是 1 - 6
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$w = date('w', strtotime($now));
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//获取本周开始日期，如果$w是0，则表示周日，减去 6 天
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$weekStart = date('Y-m-d', strtotime("$now -" . ($w ? $w - $first : 6) . ' days'));
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$str['week_start'] = $weekStart;
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//本周结束日期
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$weekEnd = date('Y-m-d', strtotime("$weekStart +6 days"));
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$str['week_end'] = $weekEnd;
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return $str;
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}
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/**
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* 某去某年第几周的周信息
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* @param $year
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* @param int $week
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* @return mixed
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*/
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public static function weekDay($year, $week=1){
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$yearStart = mktime(0,0,0,1,1, $year);
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$yearEnd = mktime(0,0,0,12,31, $year);
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$start = $yearStart;//把第一天做为第一周的开始
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$end = strtotime('+1 sunday', $yearStart);//把第一个周日作为第一周的结束
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$lastStart = strtotime('-1 monday', $yearStart);//把最后一个周一作为最后一周的开始
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$lastEnd = $yearEnd;//把最后一天作为最后一周的结束
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$totalWeekNum = intval(date('W', $yearStart));
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if($week == 1){
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$weekday['begin'] = $start;//把第一天做为第一周的开始
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$weekday['begin_date'] = date('Y-m-d', $start);//把第一天做为第一周的开始
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$weekday['end'] = $end;//把第一个周日作为第一周的结束
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$weekday['end_date'] = date('Y-m-d', $end);//把第一个周日作为第一周的结束
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}else if($week == $totalWeekNum){
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$weekday['begin'] = $lastStart;//把最后一个周一作为最后一周的开始
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$weekday['begin_date'] = date('Y-m-d', $lastStart);//把第一天做为第一周的开始
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$weekday['end'] = $lastEnd;//把第一个周日作为第一周的结束
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$weekday['end_date'] = date('Y-m-d', $lastEnd);//把第一个周日作为第一周的结束
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}else if($week > 1 && $week < $totalWeekNum){
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$weekday['begin'] = strtotime('+' . ($week-1) . ' monday', $end);
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$weekday['begin_date'] = date('Y-m-d', $weekday['begin']);
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$weekday['end'] = strtotime('+' . ($week-1) . ' sunday', $end + 24 * 60 * 60);
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$weekday['end_date'] = date('Y-m-d', $weekday['end']);
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}else{
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return false;
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}
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$weekday['week'] = $week;
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$weekday['totalWeekNum'] = $totalWeekNum;
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return $weekday;
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}
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/**
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* 友好的时间显示
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*
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* @param int $sTime 待显示的时间
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* @param string $type 类型. normal | mohu | full | ymd | other
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* @param string $alt 已失效
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* @return string
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*/
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public static function friendlyDate($sTime,$type = 'default',$alt = 'false') {
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//sTime=源时间，cTime=当前时间，dTime=时间差
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$cTime = time();
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$dTime = $cTime - $sTime;
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$dDay = intval(date("z",$cTime)) - intval(date("z",$sTime));
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//$dDay = intval($dTime/3600/24);
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$dYear = intval(date("Y",$cTime)) - intval(date("Y",$sTime));
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//normal：n秒前，n分钟前，n小时前，日期
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if($type=='normal'){
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if($dTime == 0){
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return '现在';
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}elseif( $dTime < 60 ){
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return $dTime."秒前";
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}elseif( $dTime < 3600 ){
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return intval($dTime/60)."分钟前";
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//今天的数据.年份相同.日期相同.
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}elseif( $dYear==0 && $dDay == 0 ){
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//return intval($dTime/3600)."小时前";
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return '今天'.date('H:i',$sTime);
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}elseif($dYear==0){
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return date("m月d日 H:i",$sTime);
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}else{
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return date("Y-m-d H:i",$sTime);
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}
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}elseif($type=='mohu'){
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if( $dTime < 60 ){
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return $dTime."秒前";
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}elseif( $dTime < 3600 ){
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return intval($dTime/60)."分钟前";
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}elseif( $dTime >= 3600 && $dDay == 0 ){
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return intval($dTime/3600)."小时前";
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}elseif( $dDay > 0 && $dDay<=7 ){
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return intval($dDay)."天前";
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}elseif( $dDay > 7 && $dDay <= 30 ){
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return intval($dDay/7) . '周前';
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}elseif( $dDay > 30 ){
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return intval($dDay/30) . '个月前';
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}
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//full: Y-m-d , H:i:s
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}elseif($type=='full'){
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return date("Y-m-d , H:i:s",$sTime);
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}elseif($type=='ymd'){
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return date("Y-m-d",$sTime);
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}else{
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if( $dTime < 60 ){
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return $dTime."秒前";
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}elseif( $dTime < 3600 ){
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return intval($dTime/60)."分钟前";
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}elseif( $dTime >= 3600 && $dDay == 0 ){
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return intval($dTime/3600)."小时前";
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}elseif($dYear==0){
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return date("Y-m-d H:i:s",$sTime);
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}else{
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return date("Y-m-d H:i:s",$sTime);
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}
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}
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}
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}
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